Fans are still wondering how Silicon Valley is going to work without Erlich Bachman now TJ Miller has bowed out of the show – but if they're hoping for a return, they'll be disappointed to hear there was a sour relationship behind the scenes.

Following the 'mutual' decision for him to leave, Miller has hit out at the show's executive producer Alec Berg, saying they had a "challenging, very frustrating" relationship.

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Miller told The Hollywood Reporter : "I don't know how smart [Berg] is. He went to Harvard, and we all know those kids are f**king idiots. That Crimson trash.

"So I had the perfect father-son moment with him going, 'Yeah, it's starting to kind of suck. It's a little stale. You're becoming a bit hack'. If I can trust anyone in terms of comedy, it's my father.

"I thought this is definitely a good idea if he's saying, 'I'm getting sick of watching you. Why don't you do something else?'"